function GetId(val) {
    return document.getElementById(val);
}

function CheckFields() {
    document.getElementById("status").innerHTML = "";
    if(GetId("fname").value == "") {
        document.getElementById("status").innerHTML = "Invalid First Name";
        return false;
    }else if(GetId("lname").value == "") {
        document.getElementById("status").innerHTML = "Invalid Last Name";
        return false;
    }else if(GetId("email").value == "") {
        document.getElementById("status").innerHTML = "Invalid Email Address";
        return false;
    }
    return true;
}